212528511

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{13259}}^1$

素因数の和:13415

約数の個数: 24

約数和(自身を含む): 333038160

約数和(自身を除く): 120509649

約数列:

[1, 3, 9, 13, 39, 117, 137, 411, 1233, 1781, 5343, 13259, 16029, 39777, 119331, 172367, 517101, 1551303, 1816483, 5449449, 16348347, 23614279, 70842837, 212528511]

約数ペア:

[(1, 212528511), (3, 70842837), (9, 23614279), (13, 16348347), (39, 5449449), (117, 1816483), (137, 1551303), (411, 517101), (1233, 172367), (1781, 119331), (5343, 39777), (13259, 16029)]